Great article, please do more like this. I spent my professional life working on nearly every aspect of truck tractor and earthmoving heavy equipment. You become an engineer at times because your customer wants what?? You make it happen. The men who taught me , the men I have taught are some of the most dedicated professionals I have known. Our laws now concerning air quality standards In California , CARB have put so many good trucks with many more years of service left on them , out to pasture, along with the guy or gal who was making a good living with it. Try putting $25 k into a exhaust retrofit that by law will only last for until your next registration. CARB at that point has forced you off the road. Too bad the rules are so unforgiving.
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